133387290

Names of 133387290

• Cardinal: 133387290 can be written as One hundred thirty-three million, three hundred eighty-seven thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.3338729 × 10⁸

Factors of 133387290

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11542

Divisors of 133387290

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 43 45 54 86 90 129 135 215 258 270 387 430 645 774 1161 1290 1935 2322 3870 5805 11489 11610 22978 34467 57445 68934 103401 114890 172335 206802 310203 344670 494027 517005 620406 988054 1034010 1482081 1551015 2470135 2964162 3102030 4446243 4940270 7410405 8892486 13338729 14820810 22231215 26677458 44462430 66693645 133387290
• Sum of all divisors σ(n): 364003200
• Sum of proper divisors (its aliquot sum) s(n): 230615910
• 133387290 is an abundant number, because the sum of its proper divisors (230615910) is greater than itself. Its abundance is 97228620

Bases of 133387290

• Binary: 111111100110101010000011010₂
• Hexadecimal: 0x7F3541A
• Base-36: 27EYAI

Squares and roots of 133387290

• 133387290 squared (133387290²) is 17792169133544100
• 133387290 cubed (133387290³) is 2373249223945095594489000
• The square root of 133387290 is 11549.3415396723
• The cube root of 133387290 is 510.9418581397

Scales and comparisons

• 133,387,290 seconds is equal to 4 years, 12 weeks, 3 days, 20 hours, 1 minute, 30 seconds.
• To count from 1 to 133,387,290 would take you about six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 133387290 cubic inches would be around 42.6 feet tall.

Recreational maths with 133387290

• 133387290 backwards is 092783331
• The number of decimal digits it has is: 9
• The sum of 133387290's digits is 36
• More coming soon!